Inefficient Regular Expression Complexity Affecting python3-test package, versions <0:3.6.8-67.el8_10


Severity

Recommended
medium

Based on Red Hat Enterprise Linux security rating

    Threat Intelligence

    EPSS
    0.11% (45th percentile)

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  • Snyk ID SNYK-RHEL8-PYTHON3TEST-7895850
  • published 4 Sep 2024
  • disclosed 3 Sep 2024

How to fix?

Upgrade RHEL:8 python3-test to version 0:3.6.8-67.el8_10 or higher.
This issue was patched in RHSA-2024:6975.

NVD Description

Note: Versions mentioned in the description apply only to the upstream python3-test package and not the python3-test package as distributed by RHEL. See How to fix? for RHEL:8 relevant fixed versions and status.

There is a MEDIUM severity vulnerability affecting CPython.

Regular expressions that allowed excessive backtracking during tarfile.TarFile header parsing are vulnerable to ReDoS via specifically-crafted tar archives.

CVSS Scores

version 3.1
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NVD

7.5 high
  • Attack Vector (AV)
    Network
  • Attack Complexity (AC)
    Low
  • Privileges Required (PR)
    None
  • User Interaction (UI)
    None
  • Scope (S)
    Unchanged
  • Confidentiality (C)
    None
  • Integrity (I)
    None
  • Availability (A)
    High
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Red Hat

7.5 high
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SUSE

7.5 high